Lesson plans for the knowledge of water, lesson plans for the role of water

Design background.

People's lives are inseparable from water, and the use of water is more common in daily life. Through narration activities, children can learn more about the use of water and enhance their awareness of water conservation.

Activity Objectives. 1. Understand the use of water and the importance of water to humans, animals and plants.

2. Educate children to save water and enhance their awareness of water conservation.

3. Learn some ways to save water.

4. Encourage children to dare to express their opinions boldly.

5. Encourage children to guess, talk and move boldly.

Key difficulties. Focus: Know the importance of water to people, animals, and plants.

Difficulty: Educate children to save water and cherish water resources.

Event preparation. ** and videos on the use of water.

The process of the activity. 1. Some ** and videos about the use of water let children know that many aspects are inseparable from water. Such as: drinking, cleaning, cooking, etc. Cultivate children's awareness of cherishing water resources, and guide children to discuss: what are the uses of water.

2. Learn to recite the nursery rhyme "So Thirsty, So Thirsty and Want to Drink Water", so that children can understand the importance of water to humans, animals and plants.

3. Ask children to talk about their habits of tasting water in their lives and talk about ways to save waterFor example, turn off the faucet when the water is used and use the water to wash the face can be used to flush the toilet, etc., so as to cultivate the habit of saving water from an early age.

4. Listen to the story "Looking for Water to Drink", know the preciousness of water, and cherish water resources.

5. Encourage children to design and draw icons for water conservation, and paste them in places where they drink and use water, often remind children to save water, and cultivate good habits of water conservation.

Reflection on teaching. In the process of the incident, the language expression is not very good, and there is no way for children to experience the "wonder" of water and perceive the characteristics of water. When encouraging children to design and draw water conservation icons, they failed to summarize which children did the best.

The lesson plan for the role of water is as follows:

1. Objectives:

1. Let children know that water can quench their thirst and should drink more boiled water.

2. Let children talk about the close relationship between water and people, and understand the best of tap water.

3. Educate children to save water and protect water resources.

4. Preliminary understanding of water knowledge.

5. Actively participate in activities and speak out boldly.

2. Preparation for the event:

1. PPT courseware: the role of water.

2. PPT courseware: if there is no water.

Third, the process of the activity:

1. Scenario introduction activities.

The teacher holds a glass of water and drinks. Teacher: Children, do you want to drink water?

Ask the toddler to drink from a water cup. Question: How do you feel after drinking water? What kind of water do we drink?

Fourth, understand the ** of tap water.

1. Where does the water we drink come from?

Show the tap water purification process** to introduce the tap water purification process to young children.

2. Can we take out the water from the river and drink it directly?

The water in the river is not clean and cannot be drunk directly, so the waterworks pump up the water in the river for processing, purification, and disinfection, and turn it into tap water, which is transported to various places through the tap water pipeline, and when we turn on the faucet, the tap water will flow out in a loud voice. ”

5. The close relationship between water and people.

1. PPT courseware: the role of water. Understand what water does to people.

2. PPT courseware: if there is no water. We have to drink water, we have to wash clothes, vegetables, rice and cooking, and without water, we have no water to drink, we will be thirsty, and without water we will not be able to live.

3. Save water and take care of water resources.

Teach young children to cherish water resources, save water, and not waste water casually. There are so many uses for water, how can we conserve it? (Let the children discuss freely, and the teacher prompts the children to say:.)

When we wash our hands, don't turn the faucet too big, and turn it off immediately if you see the faucet dripping......）

Sixth, the end of the activity.

1. Teach children to drink more boiled water.

2. Water is good for the human body and has a lot of uses for people, so water is our good friend, we must save water and protect water resources.

The role is:

1. Let children know that water can quench their thirst and should drink more boiled water.

2. Let children talk about the close relationship between water and people.

3. Educate children to save water and protect water resources.

Water (chemical formula HO) is an inorganic substance composed of hydrogen and oxygen, which is non-toxic and drinkable. It is a colorless and odorless transparent liquid at room temperature and pressure, which is known as the source of human life and is an important substance to maintain life.

Water is one of the most common substances on Earth, with 71% of the Earth's surface covered by water. It is an important resource for the survival of all life, including inorganic chemistry and human beings, and it is also the most important component of living organisms.

Pure water is a very weak electrolyte with very weak electrical conductivity. Water in daily life has more anions and cations due to the dissolution of other electrolytes, so it has more obvious conductivity.

Water is a substance necessary for the normal metabolism of the human body, and under normal circumstances, the body has to excrete water through **, internal organs, lungs and kidneys every day to ensure that toxins are excreted from the body. Children have 80% water in their bodies, older people have 50 to 60% water, and normal middle-aged people have 70% water in their bodies.

Water has many important functions in the body:

1) Water is an important component of cellular protoplasm.

2) Water acts as a solvent in the body to dissolve a variety of electrolytes.

3) Water plays a role in transporting nutrients, metabolic wastes and endocrine substances (such as hormones) in the body.

4) Water has high thermal conductivity and specific heat, which can be used as a "heat carrier" to transfer heat between the body and the surface, which helps the human body to regulate body temperature.